Monte Carlo modelling of distributions of the d–d and d–t reaction products in a dedicated measuring chamber at the fast neutron generator

• Monte Carlo modelling of the thermonuclear fusion.
• Energy–angle distributions of the d–t and d–d fusion products calculated by the use of SIMNRA code.
• Spatial distributions of the fusion products in the chamber of the IGN-14 obtained by use of MC code.

A fast neutron generator with a tritium target can be used to generate d–d and d–t reaction products corresponding to thermonuclear reactions in tokamaks or stellarators. In this way, convenient laboratory conditions for tests of spectrometric detectors – prior to their installation at the big fusion devices – can be achieved. Distributions of the alpha particles, protons, deuterons, and tritons generated by the fast neutron generator operating at the Institute of Nuclear Physics PAN in Cracow, Poland, were calculated by means of the Monte Carlo (MC) codes. Results of this MC modelling are presented.